Side by side

Formex Field AutomaticvsHamilton Khaki Field Mechanical Bronze

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Field Automatic
FormexField Automatic
MSRP $881
Khaki Field Mechanical Bronze
HamiltonKhaki Field Mechanical Bronze
MSRP $1,025

At a glance

10 of 29 specs differ
Diameter
Field Automatic40mm
Khaki Field Mechanical Bronze38mm
Power Reserve
Field Automatic41h
Khaki Field Mechanical Bronze80h
Water Resistance
Field Automatic150m
Khaki Field Mechanical Bronze50m
MSRP
Field Automatic$881
Khaki Field Mechanical Bronze$1,025

Full specifications

Case

4 specs
Diameter
40mm
38mm
Thickness
10.6mm
9.6mm
Lug-to-Lug
46.6mm
46mm
Water Resistance
150m
50m

Crystal & Dial

2 specs
Dial Color
Ash Grey
White
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW200-1
H-50
Type
Automatic
Manual
Power Reserve
41h
80h

Pricing

1 specs
MSRP
$881
$1,025

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Formex Field Automatic

Owners widely praise the Formex Field Automatic for its lightweight, scratch-resistant Grade 2 titanium case with a hardening treatment and its comfortable wearability, especially with quick-release straps and a carbon clasp. Reviewers and owners alike highlight the dial's legibility and depth, with one noting the Petrol Blue's great color and subtle texture. The Sellita SW200-1 movement is considered a practical choice, with one owner reporting accuracy of +1 second per day. The watch offers 150m water resistance and is seen as good value under $1000. Some owners desire a matching titanium bracelet and find the numeral typography less appealing. Overall, owners and reviewers rate the Formex Field Automatic highly for its robust, comfortable titanium construction and functional dial design at its price point.

Hamilton Khaki Field Mechanical Bronze

Owners and reviewers widely praise the Hamilton Khaki Field Mechanical Bronze for its attractive bronze case that develops a unique patina, its comfortable 38mm size, and the satisfying winding action of its hand-wound H-50 movement, which provides an 80-hour power reserve. The vintage military design, legible matte black dial with beige lume, and overall value are frequently highlighted as key strengths. Some owners note the lugs appear large, and while earlier models had 50m water resistance, newer versions offer 100m. Overall, owners and reviewers rate the Hamilton Khaki Field Mechanical Bronze highly for its vintage aesthetic and character-building patina at an accessible price.

From video reviewers

The watch's bronze case develops a unique patina over time, adding to its character. A potential weakness is the watch's bronze reacting with certain skin types or environments, causing discoloration or staining. Reviewers disagree on the lume brightness, with one reviewer finding it lacking and the other not mentioning it.

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